Flip-up tool holder



FIG. 1 is a perspective view of a flip-up tool holder;

FIG. 2 is a top view;

FIG. 3 is a left side view, the right side being identical;

FIG. 4 is a bottom view;

FIG. 5 is a front view;

FIG. 6 is a back view; and,

FIG. 7 is a left side view of the flip-up tool holder in a folded position. 

The ornamental design for a flip-up tool holder, as shown and described. 